2133816966 has 32 divisors (see below), whose sum is σ = 4819557600. Its totient is φ = 699611040.

The previous prime is 2133816959. The next prime is 2133816977. The reversal of 2133816966 is 6696183312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320601 + ... + 327188.

It is an arithmetic number, because the mean of its divisors is an integer number (150611175).

Almost surely, 2^2133816966 is an apocalyptic number.

2133816966 is an abundant number, since it is smaller than the sum of its proper divisors (2685740634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133816966 is a wasteful number, since it uses less digits than its factorization.

2133816966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647861 (or 647855 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 2133816966 is about 46193.2567156723. The cubic root of 2133816966 is about 1287.4164517501.

The spelling of 2133816966 in words is "two billion, one hundred thirty-three million, eight hundred sixteen thousand, nine hundred sixty-six".